Which division of the nervous system decreases digestive tract motility and secretions?
A) parasympathetic
B) somatic
C) adrenergic
D) sympathetic
Q. 2Which hormone(s) is/are responsible for decreasing sodium absorption in the colon?
A) glucocorticoids
B) mineralocorticoids
C) vasopressin
D) glucagon
Q. 3Which structure helps to prevent the migration of bacteria from the large intestine back into the small intestine?
A) the cecum
B) the appendix
C) the ileocecal valve
D) the ileum
Q. 4A common cause of peptic ulcer disease (PUD) is the bacterium ____.
A) Escherichia coli
B) Helicobacter pylori
C) Staphylococcus aureus
D) Enterobacter aerogenes
Q. 5In general, in which portion of the gastrointestinal tract does most absorption occur?
A) esophagus
B) stomach
C) small intestine
D) colon
Q. 6Which substance is enterohepatically circulated?
A) pancreatic enzymes
B) bile
C) glucose
D) CCK
Q. 7A large gall stone blocking the cystic duct might result in ____.
A) a reduction in the production of bile by the liver
B) an increase in bile production by the liver
C) enhancement of fat digestion
D) interference with fat digestion
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